Issue #2922444 by Anybody, pifagor, Grevil, rajeshwari10: Remove all 404 from list

modules/redirect_404/redirect_404.module

@@ -43,6 +43,12 @@ function redirect_404_form_redirect_settings_form_alter(&$form, FormStateInterfa
     '#description' => t('The maximum number of 404 error logs to keep in the database log. Requires a <a href=":cron">cron maintenance task</a>.', [':cron' => Url::fromRoute('system.status')->toString()])
   ];
 
+  $form['reset_404'] = [
+    '#type' => 'submit',
+    '#value' => t('Clear all 404 log entries'),
+    '#submit' => ['redirect_404_reset_submit'],
+  ];
+
   $ignored_pages = $config->get('pages');
   // Add a new path to be ignored, if there is an ignore argument in the query.
   if ($path_to_ignore = \Drupal::request()->query->get('ignore')) {
@@ -102,3 +108,10 @@ function redirect_404_redirect_presave(Redirect $redirect) {
   // Mark a potentially existing log entry for this path as resolved.
   \Drupal::service('redirect.not_found_storage')->resolveLogRequest($path, $langcode);
 }
+
+/**
+ * Submit Handler for Reseting all the 404 logs from Database.
+ */
+function redirect_404_reset_submit() {
+  \Drupal::database()->truncate('redirect_404')->execute();
+}

modules/redirect_404/tests/src/Functional/Fix404RedirectUITest.php

@@ -193,4 +193,43 @@ class Fix404RedirectUITest extends Redirect404TestBase {
     $this->assertSession()->fieldValueEquals('ignore_pages', "/node/*\r\n/term/*\n/llama_page");
   }
 
+  /**
+   * Tests the test_404_reset_submit button to remove all 404 entries.
+   */
+  public function test404ResetSubmit() {
+    // Go to non-existing paths:
+    $this->drupalGet('non-existing0');
+    $this->drupalGet('non-existing0?test=1');
+    $this->drupalGet('non-existing0?test=2');
+    $this->drupalGet('non-existing1');
+    $this->drupalGet('non-existing2');
+    // Go to the "Fix 404" page and check wheter these 404 entries exist:
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertText('non-existing0?test=1');
+    $this->assertText('non-existing0?test=2');
+    $this->assertText('non-existing0');
+    $this->assertText('non-existing1');
+    $this->assertText('non-existing2');
+
+    // Go to the "Settings" page, press the "Clear all 404 log entries" button:
+    $this->drupalGet('admin/config/search/redirect/settings');
+    $this->assertElementPresent('#edit-reset-404');
+    $this->getSession()->getPage()->pressButton('Clear all 404 log entries');
+    // Go to the "Fix 404" page and check wheter these 404 entries DO NOT exist:
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertNoText('non-existing0?test=1');
+    $this->assertNoText('non-existing0?test=2');
+    $this->assertNoText('non-existing0');
+    $this->assertNoText('non-existing1');
+    $this->assertNoText('non-existing2');
+
+    // Ensure new 404 entries are created after clearing:
+    $this->drupalGet('non-existing0');
+    $this->drupalGet('non-existing0?test=1');
+    // Go to the "Fix 404" page and check wheter these 404 entries exist:
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertText('non-existing0');
+    $this->assertText('non-existing0?test=1');
+  }
+
 }